A federal judge ruled that Trump's lawsuit against the IRS was filed to improperly shield himself from tax audits through collusion with his own administration, and barred the settlement from being cited in future proceedings — a major legal setback for Trump's immunity bid. Judge Kathleen Williams found the lawsuit amounted to self-dealing and referred Trump's attorney for disciplinary action. The ruling doesn't technically void the deal already made, but it strips it of judicial legitimacy and creates complications for Trump's administration trying to enforce the audit protections.